/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import dao.QuestionDAO;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import util.SharingUtil;

/**
 *
 * @author lab
 */
public class QuestionController extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();

        try {

            String questionContent = request.getParameter("content");
            String[] answers = request.getParameterValues("answer");
            String singleChoice = null;
            String[] multiChoices = null;
            boolean isSingle = false;
            if (request.getParameter("multi-choice") != null) {
                multiChoices = request.getParameterValues("multi-ans-result");
            } else {
                singleChoice = request.getParameter("single-ans-result");
                isSingle = true;
            }
//            out.println("<html>");
//            out.println("<head>");
//            out.println("<title>Servlet NewServlet</title>");
//            out.println("</head>");
//            out.println("<body>");
//            out.println("Question: " + questionContent + "<br/>");
//            if (!isSingle) {
//                for (String ans : multiChoices) {
//                    out.println(ans + "<br/>");
//                }
//            } else {
//                out.println(singleChoice);
//            }
//            out.println("</body>");
//            out.println("</html>");
            SharingUtil.showMessage(request, "Hello the world");
           // RequestDispatcher dp= request.getServletContext().getRequestDispatcher("/admin/question-add.jsp");
            //dp.forward(request, response);
            //dp.
           // response.sendRedirect("admin/question-add.jsp");
            

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
